List of pipeline projects
4482 projects, most-worked on ProvenHand first
| Project | Operator | States | Built | Hands |
|---|---|---|---|---|
| Oil City Gathering and Processing System | Vesta Midstream Partners LLC | OK | ||
| Okeechobee Expansion Project | Florida Gas Transmission Company, LLC | FL | Started 2019 | |
| Okeechobee Lateral | Florida Southeast Connection, LLC | FL | 2018 | |
| Oklahoma Condensate Pipeline | Blueknight Energy Partners LP | OK | ||
| Olla Compressor Station Replacement Project | Gulf South Pipeline Company, LLC | LA | ||
| One New Well in Pavonia Storage Field | Columbia Gas Transmission, LLC | OH | ||
| Opelousas Compressor Station (Gulf Markets Expansion Project) | Texas Eastern Transmission, LP | LA | In service 2017 | |
| Optimumization Variations | Golden Pass Pipeline LLC | LA, TX | In service 2011 | |
| Oracle Data Center Laterals (Hugh Brinson / North Texas) | Energy Transfer | TX | ||
| Orange Compressor Station Project | Enbridge Pipelines (east Texas) L.p. | |||
| Orange County Project | Florida Gas Transmission Company, LLC | FL | Started 2022 | |
| Orangefield Compressor Station (Texas Connector Amendment Project) | TX | |||
| Oregon City Compressor Station Project | Northwest Pipeline LLC | OR | ||
| Oregon LNG Export Project | Northwest Pipeline LLC | |||
| Oregon Lateral Pipeline | Generation Pipeline, LLC | OH | ||
| Orla Expansion Project | Crestwood Equity Partners LP | NM, TX | ||
| Ortiz Lateral Loop | Appalachia Midstream Services, L.l.c. | WV | ||
| Oryx II Pipeline | Oryx Midstream Services II LLC | NM, TX | ||
| Oryx Trans Permian Pipeline Gathering System | Oryx Southern Delaware Oil Gathering and Transport LLC | TX | ||
| Oryx Trans Permian Pipeline System Extension | Oryx Midstream Services LLC | TX | ||
| Otay Mesa Generating CP01-145 | Otay Mesa Generating Company, LLC | CA | ||
| Ottawa Road Project | Dominion East Ohio Gas Company | OH | ||
| Overland Pass Pipeline | ONEOK Partners | WY, CO, KS | 2007–2008 | |
| Overthrust Compression Expansion Project | Questar Overthrust Pipeline Company | WY | 2009–2010 | |
| Overthrust to Opal Pipeline Project | Questar Overthrust Pipeline Company | WY | 2006 | |
| Owatonna Compressor Station Unit 2 | MN | |||
| Owensboro Replacement Project, Phase II | Marathon Pipe Line LLC | KY | In service 2013 | |
| Ozark Standing Rock Compressor | Ozark Gas Transmission Co | AR | In service 2008 | |
| Ozark Supply Access Project | Ozark Gas Transmission Co | AR | 2023–2024 | |
| Ozark Trails Expansion | Southern Star Central Gas Pipeline, Inc. | KS, MO | In service 2006 |